Question and answer
Factor completely, then place the answer in the proper location on the grid 16x^2+8x-15
16x^2 + 8x - 15 =4x*4x - 12x + 20x - 3*5 = (4x - 3)(4x + 5)
Question
Asked 1/26/2015 7:58:29 AM
Updated 1/26/2015 8:22:07 PM
1 Answer/Comment
Edited by yumdrea [1/26/2015 8:22:07 PM]
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16x^2 + 8x - 15
=4x*4x - 12x + 20x - 3*5
= (4x - 3)(4x + 5)
Added 1/26/2015 7:58:59 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [1/26/2015 8:21:39 PM]
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Questions asked by the same visitor
multiply completely, then place the answers in the proper location on the grid (6x+1)(5x+8)
Weegy: x=-1 and x=-1/5 for the equation 5x^2+6x=-1 User: factor the following polynomials, then place the answers in the proper location on the grid write the answer in descending powers of x 9x4 - 225y8 (More)
Question
Not Answered
Updated 1/26/2015 7:19:33 PM
2 Answers/Comments
(6x + 1)(5x + 8)
= 6x*5x + 5x*1 + 6x*8 + 1*8
= 30x^2 + 5x + 48x + 8
= 30x^2 + 53x + 8

Added 1/26/2015 7:18:26 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/27/2015 3:51:53 AM]
9x^4 - 225y^8
= (3x^2)^2 - (15y^4)^2
= (3x^2 - 15y^4)(3x^2 + 15y^4)

Added 1/26/2015 7:19:33 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/27/2015 3:52:10 AM]
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